Hong Kong stocks narrow gains by noon, Alibaba jumps 3pc

Hong Kong shares saw gains narrow at noon on Tuesday, while tech heavyweights outperformed the market.

The benchmark Hang Seng Index climbed by 89 points, or 0.36 percent, to 25,131 points by noon. 

The half-day market turnover was HK$146 billion. 

The Hang Seng Tech Index went up 0.99 percent to 4,467 points at noon. 

Tech heavyweights Tencent (0700) surged 6 percent, while Alibaba (9988) rose 3 percent after unveiling new artificial intelligence chips.

In the mainland, the Shanghai Stock Exchange Composite Index increased 0.22 percent to 3,958 points, and the Shenzhen Stock Exchange Component Index advanced 0.62 percent to 13,814 points at the midday close.

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